SLATEC Routines --- MPCHK ---

*DECK MPCHK
      SUBROUTINE MPCHK (I, J)
C***BEGIN PROLOGUE  MPCHK
C***SUBSIDIARY
C***PURPOSE  Subsidiary to DQDOTA and DQDOTI
C***LIBRARY   SLATEC
C***TYPE      ALL (MPCHK-A)
C***AUTHOR  (UNKNOWN)
C***DESCRIPTION
C
C  Checks legality of B, T, M, MXR and LUN which should be set
C  in COMMON. The condition on MXR (the dimension of the EP arrays)
C  is that  MXR .GE. (I*T + J)
C
C***SEE ALSO  DQDOTA, DQDOTI, MPBLAS
C***ROUTINES CALLED  I1MACH, MPERR
C***COMMON BLOCKS    MPCOM
C***REVISION HISTORY  (YYMMDD)
C   791001  DATE WRITTEN
C   ??????  Modified for use with BLAS.  Blank COMMON changed to named
C           COMMON.  R given dimension 12.
C   891009  Removed unreferenced statement label.  (WRB)
C   891009  REVISION DATE from Version 3.2
C   891214  Prologue converted to Version 4.0 format.  (BAB)
C   900402  Added TYPE section.  (WRB)
C   930124  Increased Array size in MPCON for SUN -r8.  (RWC)
C***END PROLOGUE  MPCHK